The Horse Head Nebula is a cloud of ionized- hydrogen in the constellation Orion. The clouds are lit from within by young hot stars. The interstellar dust absobs the light from part of ionized cloud creating this beautiful contrast
Near the outskirts of the Small Magellanic Cloud, a satellite galaxy 200 thousand light-years distant, lies 5 million year young star cluster NGC Surrounded by gas & dust, NGC 602 is about 200 light-years in diameter.
Pismis located at the core of small open star cluster Pismis can be seen in this image provided by NASA and ESA. The star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 that extends on the arm of the Sagittarius constellation.